Web Search Results for "immune system"

The immune system: Cells, tissues, function, and disease
6 Sep 2022 at 10:04am
The immune system is the body?s tool for preventing or limiting infection. Its complex network of cells, organs, proteins, and tissues enable it to defend the body from bacteria, viruses,...

Overview of the Immune System - National Institute of Allergy and ...
29 Jan 2023 at 3:08am
The overall function of the immune system is to prevent or limit infection. An example of this principle is found in immune-compromised people, including those with genetic immune disorders, immune-debilitating infections like HIV, and even pregnant women, who are susceptible to a range of microbes that typically do not cause infection in healthy individuals.

The Immune System | Johns Hopkins Medicine
29 Jan 2023 at 3:08am
There are 2 main parts of the immune system: The innate immune system. You are born with this. The adaptive immune system. You develop this when your body is exposed to microbes or chemicals released by microbes.

Immune System: Parts & Common Problems - Cleveland Clinic
28 Jan 2023 at 2:19am
The main parts of the immune system are: White blood cells: Serving as an army against harmful bacteria and viruses, white blood cells search for, attack and... Lymph nodes: These small glands filter and destroy germs so they can?t spread to other parts of your body and make you... Spleen: Your ...

Immune system | Description, Function, & Facts | Britannica
29 Jan 2023 at 4:56am
immune system, the complex group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing organisms (pathogens). Immunity from disease is actually conferred by two cooperative defense systems, called nonspecific, innate immunity and specific, acquired immunity. Nonspecific protective mechanisms repel all microorganisms equally, while the specific immune responses are tailored to particular types of invaders.

Immune system - Wikipedia
28 Jan 2023 at 2:05am
The immune system is a network of biological processes that protects an organism from diseases. It detects and responds to a wide variety of pathogens, from viruses to parasitic worms, as well as cancer cells and objects such as wood splinters, distinguishing them from the organism's own healthy tissue. Many species have two major subsystems of the immune system.

How does the immune system work? - NCBI Bookshelf
28 Jan 2023 at 3:38am
The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins. As long as your immune system is running smoothly, you don?t notice that it?s there.

How to boost your immune system - Harvard Health
24 Apr 2022 at 10:24pm
Every part of your body, including your immune system, functions better when protected from environmental assaults and bolstered by healthy-living strategies such as these: Don't smoke. Eat a diet high in fruits and vegetables. Exercise regularly. Maintain a healthy weight. If you drink alcohol, ...

Immune System and Disorders | Autoimmune Disease | MedlinePlus
28 Jan 2023 at 7:13am
What is the immune system? Your immune system is a complex network of cells, tissues, and organs. Together they help the body fight infections and other diseases. When germs such as bacteria or viruses invade your body, they attack and multiply. This is called an infection. The infection causes the disease that makes you sick.

Immune System (Human Anatomy) - Components & Purpose - WebMD
28 Jan 2023 at 1:58am
Other than your nervous system, your immune system is the most complex system in your body. It?s made up of tissues, cells, and organs, including: Your tonsils Your digestive system Your...

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